10MM CATAPULT / SLINGSHOT AMMO STEEL BALL BEARINGS CHOOSE QUANTITY FAST POST
10MM 3/8" CATAPULT / SLINGSHOT AMMO. PERFECT FOR CATAPULT OR SLINGSHOT AMMO. AS BALLS ARE FOR CATAPULT AMMO THESE ARE APPROXIMATE SIZING AND NOT PRECISION BALLS. 10MM 3/8"CARBON STEEL BALL BEARINGS. CARBON STEEL BALL BEARINGS.